Evaluation module for fully differential amplifiers in SOIC packages


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The DEM-FDA-SOIC-EVM is an unpopulated evaluation module (EVM) for fully differential amplifiers (FDA) in the D (SOIC) package. The EVM is designed to enable quick and efficient lab testing of the high-speed FDAs using 50-Ω SMA connectors for use with lab equipment. The schematic considers all necessary connectors to perform lab measurements, including power and signal connections. The EVM is configured for single-ended input and single-ended output when populated according to the schematic, and the EVM can accommodate fully differential behavior with proper configuration. The output transformer enables single-ended output for easy interfacing with test equipment, and there are external SMA connectors for output common mode (Vocm) and power down (PD) control.

  • Split or single-supply configuration
  • Configurable gain and feedback network with optional compensation capacitors
  • Supports single-ended or differential inputs
  • Designed for easy connection to standard 50-Ω input and output impedance lab equipment
  • Inputs, outputs and control signals all include SMA connectors for high-speed operation
Fully differential amplifiers
LMH5485-SEP Radiation-tolerant 850-MHz fully differential amplifier THS2630 35-V, 180-MHz high-speed low-noise fully-differential amplifier THS4130 150MHz, Fully Differential Input/Output Low Noise Amplifier With Shutdown THS4131 Fully Differential Input/Output Low Noise Amplifier


Audio op amps
OPA1633 Ultra-low-distortion 195-MHz fully-differential audio amplifier
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Evaluation board

DEM-FDA-SOIC-EVM — Evaluation module for fully differential amplifiers in SOIC packages

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Technical documentation

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Type Title Date
* EVM User's guide DEM-FDA-SOIC-EVM User's Guide PDF | HTML 18 Jan 2022
Certificate DEM-FDA-SOIC-EVM EU RoHS Declaration of Conformity (DoC) 15 Dec 2021

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